* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        @import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

        body {
            font-family: 'Poppins', sans-serif;
            background-color: #EBEBEB;
            color: #333;
        }
        /* Header */
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 60px;
            background-color: #10367D;
        }

        .logo {
            font-size: 28px;
            font-weight: 700;
            font-family: 'Poppins', sans-serif;
            font-style: normal;
            color: white;
        }

        nav {
            display: flex;
            gap: 40px;
        }

        nav a {
            text-decoration: none;
            color: white;
            font-size: 16px;
            transition: color 0.3s;
        }

        nav a:hover {
            color: #0077B6;
        }

        .contact-btn {
            background-color: #0077B6;
            color: white;
            padding: 12px 28px;
            border-radius: 25px;
            text-decoration: none;
            font-size: 16px;
            transition: background-color 0.3s;
        }

        .contact-btn:hover {
            background-color: #005a8d;
        }


        .feedback-container {
            background: white;
            border-radius: 16px;
            padding: 50px 40px;
            max-width: 600px;
            width: 100%;
            box-shadow: 0 4px 20px rgba(16, 54, 125, 0.1);
            margin: 40px auto;
        }

        h1 {
            font-size: 32px;
            color: #10367d;
            margin-bottom: 10px;
            font-weight: 700;
        }

        .subtitle {
            color: #666;
            margin-bottom: 40px;
            font-size: 16px;
        }

        .form-group {
            margin-bottom: 30px;
        }

        label {
            display: block;
            font-size: 15px;
            color: #10367d;
            margin-bottom: 12px;
            font-weight: 600;
        }

        .optional {
            color: #999;
            font-weight: 400;
            font-size: 13px;
        }

        .category-options {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }

        .category-btn {
            padding: 14px 20px;
            border: 2px solid #ebebeb;
            border-radius: 10px;
            background: white;
            cursor: pointer;
            transition: all 0.2s ease;
            font-size: 15px;
            color: #666;
            font-weight: 500;
            text-align: left;
        }

        .category-btn:hover {
            border-color: #10367d;
            background: #f8f9ff;
            color: #10367d;
        }

        .category-btn.active {
            border-color: #a5ce00;
            background: #a5ce00;
            color: white;
        }

        textarea {
            width: 100%;
            padding: 16px;
            border: 2px solid #ebebeb;
            border-radius: 10px;
            font-size: 15px;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            resize: vertical;
            min-height: 160px;
            transition: border-color 0.2s;
            color: #333;
        }

        textarea:focus {
            outline: none;
            border-color: #10367d;
        }

        textarea::placeholder {
            color: #aaa;
        }

        select {
            width: 100%;
            padding: 14px 16px;
            border: 2px solid #ebebeb;
            border-radius: 10px;
            font-size: 15px;
            font-family: 'Poppins', sans-serif;
            background-color: white;
            color: #333;
            cursor: pointer;
            transition: border-color 0.2s;
            appearance: none;
            background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2310367D' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
            background-repeat: no-repeat;
            background-position: right 12px center;
            background-size: 20px;
            padding-right: 40px;
        }

        select:focus {
            outline: none;
            border-color: #10367d;
        }

        select option {
            color: #333;
            background-color: white;
            padding: 10px;
        }

        input[type="text"] {
            width: 100%;
            padding: 14px 16px;
            border: 2px solid #ebebeb;
            border-radius: 10px;
            font-size: 15px;
            font-family: 'Poppins', sans-serif;
            transition: border-color 0.2s;
            color: #333;
        }

        input[type="text"]:focus {
            outline: none;
            border-color: #10367d;
        }

        input[type="text"]::placeholder {
            color: #aaa;
        }

        .char-counter {
            text-align: right;
            font-size: 13px;
            color: #999;
            margin-top: 8px;
            font-weight: 500;
        }

        .char-counter.warning {
            color: #ff4757;
            font-weight: 600;
        }

        .submit-btn {
            width: 100%;
            padding: 16px;
            background: #10367d;
            color: white;
            border: none;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .submit-btn:hover {
            background: #0d2a63;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(16, 54, 125, 0.3);
        }

        .submit-btn:active {
            transform: translateY(0);
        }

        .submit-btn:disabled {
            background: #ccc;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        .success-message {
            display: none;
            background: #a5ce00;
            color: white;
            padding: 16px 20px;
            border-radius: 10px;
            text-align: center;
            margin-top: 20px;
            font-weight: 600;
            animation: slideIn 0.3s ease;
        }

        .success-message.show {
            display: block;
        }

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (max-width: 768px) {
            header {
                padding: 16px 20px;
                flex-direction: column;
                gap: 16px;
            }

            .logo {
                font-size: 22px;
            }

            nav {
                gap: 15px;
            }

            nav a {
                font-size: 14px;
            }

            .contact-btn {
                padding: 10px 20px;
                font-size: 14px;
            }

            .feedback-container {
                padding: 40px 25px;
                margin: 30px auto;
            }

            h1 {
                font-size: 28px;
            }

            .subtitle {
                font-size: 15px;
                margin-bottom: 30px;
            }

            .form-group {
                margin-bottom: 24px;
            }

            label {
                font-size: 14px;
            }

            .category-options {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .category-btn {
                padding: 12px 16px;
                font-size: 14px;
            }

            textarea,
            select,
            input[type="text"] {
                font-size: 16px;
                padding: 12px 14px;
            }

            .char-counter {
                font-size: 12px;
            }

            .submit-btn {
                padding: 14px 16px;
                font-size: 15px;
            }

            .success-message {
                padding: 14px 16px;
                font-size: 14px;
            }
        }

        @media (max-width: 480px) {
            header {
                padding: 12px 16px;
                gap: 12px;
            }

            .logo {
                font-size: 20px;
            }

            nav {
                gap: 10px;
                flex-wrap: wrap;
                justify-content: center;
            }

            nav a {
                font-size: 12px;
            }

            .contact-btn {
                padding: 8px 14px;
                font-size: 12px;
            }

            .feedback-container {
                padding: 30px 18px;
                margin: 20px auto;
                border-radius: 12px;
            }

            h1 {
                font-size: 24px;
                margin-bottom: 8px;
            }

            .subtitle {
                font-size: 13px;
                margin-bottom: 25px;
            }

            .form-group {
                margin-bottom: 20px;
            }

            label {
                font-size: 13px;
                margin-bottom: 10px;
            }

            .optional {
                font-size: 12px;
            }

            .category-options {
                grid-template-columns: 1fr;
                gap: 8px;
            }

            .category-btn {
                padding: 10px 12px;
                font-size: 13px;
            }

            textarea {
                min-height: 120px;
                font-size: 16px;
                padding: 12px;
            }

            select,
            input[type="text"] {
                font-size: 16px;
                padding: 12px;
            }

            .char-counter {
                font-size: 11px;
            }

            .submit-btn {
                padding: 12px 14px;
                font-size: 14px;
            }

            .success-message {
                padding: 12px 14px;
                font-size: 13px;
            }
        }